Literature Reference: 泛泛下天云，青青缘塞树。—— 《杂曲歌辞 千里思》 Vast clouds descend from the sky, while lush green trees line the border. Source from 'Zaqu Geci Qianli Si'.
塞: The fortress, the frontier stronghold.
树: Trees and forests. Symbolizing great power and a solid foundation. As a personal name, it often signifies a person who is tall, imposing, reliable, responsible, and worthy of trust and reliance.
Meaning: The border tree symbolizes tenacity, thriving in harsh frontier environments, embodying strength and hope.